Finding the Third Proportional to 18,145.50 and 38,464.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,145.50 : 38,464.50 = 38,464.50 : x
2. Step 2: Convert to fraction form
   18,145.50/38,464.50 = 38,464.50/x
3. Step 3: Cross multiply
   18,145.50x = 38,464.50 × 38,464.50
4. Step 4: Simplify right side
   18,145.50x = 1,479,517,760.25
5. Step 5: Solve for x
   x = 1,479,517,760.25/18,145.50
6. Step 6: Final answer
   x = 81,536.35